diff --git a/drm/1.2/Android.bp b/drm/1.2/Android.bp
index 66a1bd8..fa2962a 100644
--- a/drm/1.2/Android.bp
+++ b/drm/1.2/Android.bp
@@ -9,8 +9,10 @@
     srcs: [
         "types.hal",
         "ICryptoFactory.hal",
+        "ICryptoPlugin.hal",
         "IDrmFactory.hal",
         "IDrmPlugin.hal",
+        "IDrmPluginListener.hal",
     ],
     interfaces: [
         "android.hardware.drm@1.0",
@@ -18,8 +20,8 @@
         "android.hidl.base@1.0",
     ],
     types: [
-        "KeySetId",
         "OfflineLicenseState",
+        "Status",
     ],
     gen_java: false,
 }
diff --git a/drm/1.2/ICryptoPlugin.hal b/drm/1.2/ICryptoPlugin.hal
new file mode 100644
index 0000000..0700676
--- /dev/null
+++ b/drm/1.2/ICryptoPlugin.hal
@@ -0,0 +1,84 @@
+/**
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.drm@1.2;
+
+import @1.0::DestinationBuffer;
+import @1.0::ICryptoPlugin;
+import @1.0::Mode;
+import @1.0::Pattern;
+import @1.0::SessionId;
+import @1.0::SharedBuffer;
+import @1.0::SubSample;
+
+/**
+ * ICryptoPlugin is the HAL for vendor-provided crypto plugins.
+ * It allows crypto sessions to be opened and operated on, to
+ * load crypto keys for a codec to decrypt protected video content.
+ */
+interface ICryptoPlugin extends @1.0::ICryptoPlugin {
+
+    /**
+     * Decrypt an array of subsamples from the source memory buffer to the
+     * destination memory buffer.
+     *
+     * decrypt_1_2() only differs from decrypt() in that additional status
+     * codes must be returned.
+     *
+     * @param secure a flag to indicate if a secure decoder is being used. This
+     *     enables the plugin to configure buffer modes to work consistently with
+     *     a secure decoder.
+     * @param the keyId for the key that is used to do the the decryption. The
+     *     keyId refers to a key in the associated MediaDrm instance.
+     * @param iv the initialization vector to use
+     * @param mode the crypto mode to use
+     * @param pattern the crypto pattern to use
+     * @param subSamples a vector of subsamples indicating the number
+     *     of clear and encrypted bytes to process. This allows the decrypt
+     *     call to operate on a range of subsamples in a single call
+     * @param source the input buffer for the decryption
+     * @param offset the offset of the first byte of encrypted data from
+     *     the base of the source buffer
+     * @param destination the output buffer for the decryption
+     * @return status the status of the call. The status must be OK or one
+     *     of the following errors:
+     *     ERROR_DRM_NO_LICENSE if no license keys have been loaded
+     *     ERROR_DRM_LICENSE_EXPIRED if the license keys have expired
+     *     ERROR_DRM_RESOURCE_BUSY if the resources required to perform
+     *         the decryption are not available
+     *     ERROR_DRM_INSUFFICIENT_OUTPUT_PROTECTION if required output
+     *         protections are not active
+     *     ERROR_DRM_INSUFFICIENT_SECURITY if the security level of the
+     *         device is not sufficient to meet the requirements in
+     *         the license policy
+     *     ERROR_DRM_FRAME_TOO_LARGE if the frame being decrypted into
+     *         the secure output buffer exceeds the size of the buffer
+     *     ERROR_DRM_SESSION_NOT_OPENED if the decrypt session is not
+     *         opened
+     *     ERROR_DRM_DECRYPT if the decrypt operation fails
+     *     ERROR_DRM_INVALID_STATE if the device is in a state where it
+     *         is not able to perform decryption
+     *     ERROR_DRM_CANNOT_HANDLE in other failure cases.
+     *
+     * @return bytesWritten the number of bytes output from the decryption
+     * @return detailedError if the error is a vendor-specific error, the
+     *     vendor's crypto HAL may provide a detailed error string to help
+     *     describe the error.
+     */
+    decrypt_1_2(bool secure, uint8_t[16] keyId, uint8_t[16] iv, Mode mode,
+        Pattern pattern, vec<SubSample> subSamples,
+            SharedBuffer source, uint64_t offset, DestinationBuffer destination)
+        generates(Status status, uint32_t bytesWritten, string detailedError);
+};
diff --git a/drm/1.2/IDrmPlugin.hal b/drm/1.2/IDrmPlugin.hal
index 88338d6..88ace0b 100644
--- a/drm/1.2/IDrmPlugin.hal
+++ b/drm/1.2/IDrmPlugin.hal
@@ -15,13 +15,19 @@
  */
 package android.hardware.drm@1.2;
 
-import @1.1::IDrmPlugin;
+import @1.0::KeyedVector;
+import @1.0::KeyType;
+import @1.0::SessionId;
 import @1.0::Status;
+import @1.1::IDrmPlugin;
+import @1.1::KeyRequestType;
+import @1.2::IDrmPluginListener;
 
 /**
- * IDrmPlugin is used to interact with a specific drm plugin that was created by
- * IDrm::createPlugin. A drm plugin provides methods for obtaining drm keys that
- * may be used by a codec to decrypt protected video content.
+ * IDrmPlugin is used to interact with a specific drm plugin that was
+ * created by IDrm::createPlugin. A drm plugin provides methods for
+ * obtaining drm keys to be used by a codec to decrypt protected video
+ * content.
  */
 interface IDrmPlugin extends @1.1::IDrmPlugin {
 
@@ -32,24 +38,25 @@
      * request/response exchange when the key request KeyType is
      * OFFLINE. Normally each app is responsible for keeping track of
      * the KeySetIds it has created. In some situations however, it
-     * may be necessary to request the list of stored offline license
+     * will be necessary to request the list of stored offline license
      * KeySetIds. If an app loses the KeySetId for any stored licenses
      * that it created, for example, it must be able to recover the
-     * stored KeySetIds so those licenses can be removed when they
+     * stored KeySetIds so those licenses will be removed when they
      * expire or when the app is uninstalled.
      * <p>
      * This method returns a list of the KeySetIds for all offline
-     * licenses. The offline license KeySetId may be used to query
+     * licenses. The offline license KeySetId allows an app to query
      * the status of an offline license or remove it.
      *
-     * @return status the status of the call. May be OK or
+     * @return status the status of the call. Must be OK or
      *     ERROR_DRM_INVALID_STATE if the HAL is in a state where the
      *     KeySetIds can't be returned.
      * @return a list of offline license keySetIds. If there are no offline
      *     licenses, the list must be empty and OK must be returned as the
      *     status.
      */
-    getOfflineLicenseKeySetIds() generates (Status status, vec<KeySetId> keySetIds);
+    getOfflineLicenseKeySetIds() generates (@1.0::Status status,
+            vec<KeySetId> keySetIds);
 
     /**
      * Normally offline licenses are released using a key
@@ -59,20 +66,20 @@
      * removed and then adjust the count of offline licenses allocated
      * to the device.
      * <p>
-     * In some exceptional situations it may be necessary to directly
-     * remove offline licenses without notifying the server, which may
-     * be performed using this method.
+     * In some exceptional situations it will be necessary to directly
+     * remove offline licenses without notifying the server, which is
+     * performed by this method.
      *
      * @param keySetId the id of the offline license to remove
-     * @return status the status of the call. May be one of OK on
+     * @return status the status of the call. Must be one of OK on
      *     success, BAD_VALUE if the license is not found or
      *     ERROR_DRM_INVALID_STATE if the HAL is in a state where the
      *     KeySetIds can't be returned.
      */
-    removeOfflineLicense(KeySetId keySetId) generates (Status status);
+    removeOfflineLicense(KeySetId keySetId) generates (@1.0::Status status);
 
     /**
-     * Request the state of an offline license. An offline license may
+     * Request the state of an offline license. An offline license must
      * be usable or inactive. The keys in a usable offline license are
      * available for decryption. When the offline license state is
      * inactive, the keys have been marked for release using
@@ -81,7 +88,7 @@
      * usable for decryption.
      *
      * @param keySetId the id of the offline license
-     * @return status the status of the call. May be one of OK on
+     * @return status the status of the call. Must be one of OK on
      *     success, BAD_VALUE if the license is not found or
      *     ERROR_DRM_INVALID_STATE if the HAL is in a state where the
      *     offline license state can't be queried.
@@ -89,6 +96,100 @@
      *     If the return status is not OK then state must be set to
      *     UNKNOWN.
      */
-    getOfflineLicenseState(KeySetId keySetId) generates (Status status,
-            OfflineLicenseState state);
+    getOfflineLicenseState(KeySetId keySetId) generates (
+            @1.0::Status status, OfflineLicenseState state);
+
+    /**
+     * A key request/response exchange occurs between the app and a License
+     * Server to obtain the keys required to decrypt the content.
+     * getKeyRequest_1_2() is used to obtain an opaque key request blob that is
+     * delivered to the license server.
+     *
+     * getKeyRequest_1_2() only differs from getKeyRequest_1_1() in that
+     *     additional status codes must be returned.
+     *
+     * @param scope either a sessionId or a keySetId, depending on the
+     *     specified keyType. When the keyType is OFFLINE or STREAMING, scope
+     *     must be set to the sessionId the keys will be provided to. When the
+     *     keyType is RELEASE, scope must be set to the keySetId of the keys
+     *     being released.
+     * @param initData container-specific data, its meaning is interpreted
+     *     based on the mime type provided in the mimeType parameter. It could
+     *     contain, for example, the content ID, key ID or other data obtained
+     *     from the content metadata that is required to generate the key
+     *     request. initData must be empty when keyType is RELEASE.
+     * @param mimeType identifies the mime type of the content
+     * @param keyType specifies if the keys are to be used for streaming,
+     *     offline or a release
+     * @param optionalParameters included in the key request message to
+     *     allow a client application to provide additional message parameters
+     *     to the server.
+     * @return status the status of the call. The status must be OK or one of
+     *     the following errors: ERROR_DRM_SESSION_NOT_OPENED if the session is
+     *     not opened, ERROR_DRM_NOT_PROVISIONED if the device requires
+     *     provisioning before it is able to generate a key request,
+     *     ERROR_DRM_RESOURCE_CONTENTION if client applications using the hal
+     *     are temporarily exceeding the available crypto resources such that a
+     *     retry of the operation is likely to succeed, ERROR_DRM_CANNOT_HANDLE
+     *     if getKeyRequest is not supported at the time of the call, BAD_VALUE
+     *     if any parameters are invalid or ERROR_DRM_INVALID_STATE if the HAL
+     *     is in a state where a key request cannot be generated.
+     * @return request if successful, the opaque key request blob is returned
+     * @return requestType indicates type information about the returned
+     *      request. The type must be one of INITIAL, RENEWAL, RELEASE, NONE or
+     *      UPDATE. An INITIAL request is the first key request for a
+     *      license. RENEWAL is a subsequent key request used to refresh the
+     *      keys in a license. RELEASE corresponds to a keyType of RELEASE,
+     *      which indicates keys are being released. NONE indicates that no
+     *      request is needed because the keys are already loaded. UPDATE
+     *      indicates that the keys need to be refetched after the initial
+     *      license request.
+     * @return defaultUrl the URL that the request may be sent to, if
+     *      provided by the drm HAL. The app can choose to override this URL.
+     */
+    getKeyRequest_1_2(vec<uint8_t> scope, vec<uint8_t> initData,
+            string mimeType, KeyType keyType, KeyedVector optionalParameters)
+        generates (Status status, vec<uint8_t> request,
+                KeyRequestType requestType, string defaultUrl);
+
+    /**
+     * A provision request/response exchange occurs between the app and a
+     * provisioning server to retrieve a device certificate. getProvisionRequest
+     * is used to obtain an opaque provisioning request blob that is delivered
+     * to the provisioning server.
+     *
+     * getProvisionRequest_1_2() only differs from getProvisionRequest_1_0() in
+     *     that additional status codes must be returned.
+     *
+     * @param certificateType the type of certificate requested, e.g. "X.509"
+     * @param certificateAuthority identifies the certificate authority. A
+     *     certificate authority (CA) is an entity which issues digital
+     *     certificates for use by other parties. It is an example of a trusted
+     *     third party.
+     * @return status the status of the call. The status must be OK or one of
+     *     the following errors: ERROR_DRM_RESOURCE_CONTENTION if client
+     *     applications using the hal are temporarily exceeding the available
+     *     crypto resources such that a retry of the operation is likely to
+     *     succeed, ERROR_DRM_CANNOT_HANDLE if the drm scheme does not require
+     *     provisioning or ERROR_DRM_INVALID_STATE if the HAL is in a state
+     *     where the provision request cannot be generated.
+     * @return request if successful the opaque certificate request blob
+     *     is returned
+     * @return defaultUrl URL that the provisioning request may be
+     *     sent to, if known by the HAL implementation. An app can choose to
+     *     override this URL. If the HAL implementation does not provide a
+     *     defaultUrl, the returned string must be empty.
+     */
+    getProvisionRequest_1_2(string certificateType, string certificateAuthority)
+        generates (Status status, vec<uint8_t> request, string defaultUrl);
+
+    /**
+     * Send a session lost state event to the listener. This event
+     * indicates that a session's state has become invalid because the
+     * device crypto hardware is incapable of retaining crypto session
+     * state across suspend and resume cycles.
+     *
+     * @param sessionId identifies the session the event originated from
+     */
+    sendSessionLostState(SessionId sessionId);
 };
diff --git a/drm/1.2/IDrmPluginListener.hal b/drm/1.2/IDrmPluginListener.hal
new file mode 100644
index 0000000..a6bd6c9
--- /dev/null
+++ b/drm/1.2/IDrmPluginListener.hal
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.drm@1.2;
+
+import @1.0::IDrmPluginListener;
+import @1.0::SessionId;
+
+/**
+ * IDrmPluginListener is a listener interface for Drm events sent from an
+ * IDrmPlugin instance.
+ */
+interface IDrmPluginListener extends @1.0::IDrmPluginListener {
+    /**
+     * Some device crypto hardware is incapable of retaining crypto
+     * session state across suspend and resume cycles. A
+     * SessionLostState event must be signaled when a session has
+     * become invalid for this reason. This event must not be used to
+     * indicate a failure in the crypto system. Closing the session
+     * and opening a new one must allow the application to resume
+     * normal use of the drm hal module.
+     *
+     * @param sessionId identifies the session that has been invalidated
+     */
+     oneway sendSessionLostState(SessionId sessionId);
+};
diff --git a/drm/1.2/types.hal b/drm/1.2/types.hal
index 8770c79..6e1acde 100644
--- a/drm/1.2/types.hal
+++ b/drm/1.2/types.hal
@@ -16,6 +16,8 @@
 
 package android.hardware.drm@1.2;
 
+import @1.0::Status;
+
 enum OfflineLicenseState : uint32_t {
     /**
      * Offline license state is unknown
@@ -23,7 +25,7 @@
     UNKNOWN,
 
     /**
-     * Offline license state is usable, the keys may be used for decryption.
+     * Offline license state is usable, the keys are usable for decryption.
      */
     USABLE,
 
@@ -35,6 +37,40 @@
     INACTIVE
 };
 
+enum Status : @1.0::Status {
+    /**
+     * The drm HAL module must return ERROR_DRM_INSUFFICIENT_SECURITY
+     * from the crypto plugin decrypt method when the security level
+     * of the device is not sufficient to meet the requirements in the
+     * license policy.
+     */
+    ERROR_DRM_INSUFFICIENT_SECURITY,
+
+    /**
+     * The drm HAL module must return ERROR_FRAME_TOO_LARGE from the
+     * decrypt method when the frame being decrypted into the secure
+     * output buffer exceeds the size of the buffer.
+     */
+    ERROR_DRM_FRAME_TOO_LARGE,
+
+    /**
+     * This error must be returned from any session method when an
+     * attempt is made to use the session after the crypto hardware
+     * state has been invalidated. Some devices are not able to
+     * retain crypto session state across device suspend/resume which
+     * results in invalid session state.
+     */
+    ERROR_DRM_SESSION_LOST_STATE,
+
+     /**
+      * The drm HAL module must return this error if client
+      * applications using the hal are temporarily exceeding the
+      * capacity of available crypto resources such that a retry of
+      * the operation is likely to succeed.
+      */
+    ERROR_DRM_RESOURCE_CONTENTION,
+};
+
 /**
  * KeySetId is an identifier that references a set of keys in an
  * offline license. The keySetId is created by the HAL implementation